Dark Season by Russell T Davies Chapter 1

An ordinary day at school takes a sinister turn when the mysterious Mr Eldritch promises a free home computer for every pupil - computers which conceal a terrible power... Only three teenagers, Marcie, Thomas and Reet, are alert to danger. Soon, they're caught in a conspiracy of brainwashing, kidnaps and a threat to the whole human race. Worse still, the school itself hides ancient secrets buried beneath its foundations, as the awesome Behemoth rises from its tomb, intent upon the destruction of all. Eldritch has summoned his Dark Season, which heralds the end of the world...